The aim of this paper is to elaborate the overview of modern manufacturing processes and capabilities of machining process currently under use in the. Unconventional machining processes introduction and. The common nontraditional machining processes are described in this section. Introduction to nontraditional machining process free download as powerpoint presentation. During this machining process, a small portion of metals is also eroded away, leaving a small cater.
The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. What are the various mechanical energy methods of ucm. A very high accuracy is desired besides the complexity of the surface to be machined. Unit ii mechanical energy based processes 10 abrasive jet machining water jet machining abrasive water jet machining ultrasonic machining. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. In this short notes section we will cover the first unconventional machining process electric discharge machining edm. Machining is the broad term used to describe removal of material from a workpiece includes cutting, abrasive processes grinding, advanced machining processes electrical, chemical, thermal, hydrodynamic, lasers automation began when lathes were introduced in 1700s now have computer numerical control cnc machines. Unconventional machining process sasurie college of engineering. In conventional machining process the ability of cutting tool is utilized to stress the materials beyond the yield point to start the material removal process. Pdf me6004 unconventional machining process researchgate. Ultrasonic machining usm is a mechanical metal removal process for brittle materials, application for ductile materials is limited in which material is removed by high frequency oscillations of a shaped tool using an abrasive slurry.
Nonconventional machining processes selection using multiobjective 1449 journal of engineering science and technology november 2015, vol. Senthil kumar, ars publications the book unconventional machining processes for engineering and technology studies. Pdf unconventional machining processes local author by. Conventional machining processes and machine tools moduleiv. Manufacturing processes can be broadly divided into two groups and they are primarymanufacturing processes and secondary manufacturing processes. Conventional machining processes and machine tools moduleiv turning turning operation is a machining process and is used to produce round parts in shape by a single point cutting tool. Pdf nonconventional machining processes selection using. Conventional machining processes and machine tools pdf. A study on modern unconventional machining processes. Gate 2019 mechanical engineering syllabus contains engineering mechanics, mechanics of materials, theory of machines, vibrations, machine design, fluid mechanics, heattransfer, thermodynamics, engineering materials, casting, forming and joining processes, machining and machine tool operations, metrology and inspection, computer integrated manufacturing, production planning and control. Unconventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal. Introduction to nontraditional machining iit kanpur. Tools that belongs to reaming and tapping processes are tend to breakage so machinists should behave carefully not to break tapers and reamers pieces in the hole.
Nadcap nonconventional machining ac7116 expert resource. The book has both conventional and nonconventional machining process to teach you effectively. Unconventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to. The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining. Unconventional machining processes textbook is one of the famous textbook for engineering students. There are 10 steps to draw up machining process flow chart. Non traditional manufacturing processes an overview.
To know the basics of electron beam machining and comparison of thermal and non thermal processes. Depending on workpiece material and the condition of the tool, unit powerrequirements in machining range between 0. Machining a material removal process in which a sharp cutting tool is used to mechanically cut away material so that the desired part geometry remains most common application. Me 6004 unconventional machining processes miet engineering. Electrochemical machining is one of the most unconventional machining processes. This paper presents a new method in machining of materials using cavitation process. The unconventional machining is also called as nontraditional machining the unconventional machining use for the machine the hard and brittle materials such as carbides, stainless steel, hastelloy, nitralloy, waspalloy, and any other that cannot be machined by a conventional process using the conventional machines such as lathe, milling, shaper, planer etc. Unconventional machining process unconventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for traditional manufacturing. Mar 11, 2016 in electric discharge machining process an arc is produced when two currentcarrying wires are shortcircuited.
Please find the attached pdf file of unconventional machining process important questions bank ump imp qusts. Unconventional machining processes textbook pdf free download. Introduction to nontraditional machining process machining. The former onesprovide basic shape and size to the material as per designers requirement. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Building of machines, structures, or process equipment by cutting, shaping and assembling components made from raw materials. Materials are removed by traversing in a direction parallel to the axis of. Dec 29, 2015 machining is a processes in which a piece of raw material is cut into a desired final shape and size by a controlled materialremoval process. Unconventional machining process need classification brief overview.
Given this, nontraditional machining is widely utilized in responding to modern industrial problems. What are the advantages of wjc over conventional cutting methods. Conventional machining processes mostly remove material in the form of. Conventional machining uses tools, such as lathes, milling machines, boring machines, drill presses, or.
To learn about various unconventional machining processes, the various process parameters and their influence on performance and their applications. Note for unconventional machining process ump by jntu heroes. Analysis of part drawing and assembly drawing this is the basis of the machining. Nonconventional machining processes as viable alternatives. This book is mainly useful for mechanical engineering students.
This type of approach was used while designing machining for heat exchanger with the help of imachining technology within solidcam software for programing of cnc machines. Jun 20, 2016 the advent of hard materials for aerospace applications have made the machining process by conventional methods very difficult and time consuming. Where by reduced the machining time for 36% in accordance to conventional machining and made a total savings of 45. This book covers all possible topics needed in an undergraduate machining processes course. Jain advanced machining processes allied publishers pvt. To study the various process parameters and applications. The difficulty to cut materials encouraged efforts that led to the introduction of the unconventional machining processes that are well.
Non traditional machining process mechenchy modern machining processes by p. Unconventional machining processes form an important part of the chapter of machining processes in the subject of manufacturing engineering for gate mechanical engineering. A new nontraditional machining method using cavitation process. Unconventional machining process imp qusts ump important. Material removal is accomplished using electrical, chemical, mechanical and light energies during the last 55 years over 20 different nontraditional manufacturing processes have been invented and used successfully the requirements that. This is due to material removal rate mrr decreases with increased hardness of the work material. Unconventional machining process imp qusts pdf file ump important questions. Modern machining processes tata mcgrawhill, new delhi, 2007. Nontraditional machining processes covers recent research and development in techniques and processes which focus on achieving high accuracies and good surface finishes, parts machined without burrs or residual stresses especially with materials that cannot be machined by conventional methods.
Book download link provided by engineering study material esm. This book is written to serve the needs of under graduate students embarking introductory course in unconventional machining processes. Conventional machining utilizes cutting tools that must be harder than workpiece material. This textbook is also useful to most of the students who are preparing for competitive exams. Hence the machining process which utilizes other machining methods are termed as unconventional. Nontraditional manufacturing processes or unconventional machining processes conventional machining processes mostly remove material in the form of chips by applying forces on the work material with a wedge shaped cutting tool that is harder than the work material under machining condition. Because of point cutting wjc is able to cut materials almost any pattern. This ppt gives brief introduction on various nontraditional machining techniques. The process is actually the reverse of electroplating with some. After achieving the merits of nonconventional machining methods, efforts are being made for cross process innovations to improve the machining characteristics.
Non traditional manufacturing processes an overview introduction nontraditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be. Advanced nontraditional machining processes 303 work. A machining process is called nontraditional if its material removal mechanism is basically different than those in the traditional processes, i. Similar case happens when ice particles are introduced as in ice jet machining. An introduction to machining practices cornell university. Note for unconventional machining process ump lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year.
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